(#1560) Use Concatendated instead of StringBuilder

Co-authored-by: andreoss <[email protected]>
yegor256 · May 5, 2021 · 4bf9b9a · 4bf9b9a
1 parent 9a63102
commit 4bf9b9a
Showing 1 changed file with 9 additions and 12 deletions.
diff --git a/src/main/java/org/cactoos/map/MapEnvelope.java b/src/main/java/org/cactoos/map/MapEnvelope.java
@@ -29,6 +29,7 @@
 import org.cactoos.iterable.Mapped;
 import org.cactoos.text.Concatenated;
 import org.cactoos.text.Joined;
+import org.cactoos.text.TextOf;
 
 /**
  * Map envelope.
@@ -124,18 +125,14 @@ public final Set<Map.Entry<X, Y>> entrySet() {
 
     @Override
     public final String toString() {
-        return new StringBuilder()
-            .append('{')
-            .append(
-                new Concatenated(
-                    new Joined(
-                        ", ",
-                        new Mapped<>(Object::toString, this.entrySet())
-                    )
-                )
-            )
-            .append('}')
-            .toString();
+        return new Concatenated(
+            new TextOf("{"),
+            new Joined(
+                ", ",
+                new Mapped<>(Object::toString, this.entrySet())
+            ),
+            new TextOf("}")
+        ).toString();
     }
 
     @Override